/Engine/Source/Runtime/InteractiveToolsFramework/Public/BaseTools/ClickDragTool.h
IClickBehaviorTargetimplementation Test if target can begin click-drag interaction at this point
true if target wants to begin sequence
virtual [FInputRayHit](API\Runtime\InteractiveToolsFramework\FInputRayHit) CanBeginClickDragSequence ( const [FInputDeviceRay](API\Runtime\InteractiveToolsFramework\FInputDeviceRay) & PressPos )